What is it that makes someone feel thirsty?
In: Other
Essentially there is a thirst center in the brain (hypothalamus). There are feedback loops that provide water retention involving the kidneys (Renin‐Angiotensin‐Aldosterone System) and also drive the thirst mechanism in the brain.
…the need to hydrate?
The need to drink is our only response mechanism to being dehydrated. This occurs when the blood becomes too concentrated. Stimulates the thirst mechanism
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